ZHANG Peng-fei,ZHANG Ai-guo,XIAO Qiang,et al.Effect of Coated Urea on Rape’s Yield,Quality and Nitrogen’s Absorption[J].Northern Horticulture,2012,36(15):158-160.
包膜尿素对油菜产量和品质及氮素吸收的影响
- Title:
- Effect of Coated Urea on Rape’s Yield,Quality and Nitrogen’s Absorption
- 文章编号:
- 1001-0009(2012)15-0158-03
- Keywords:
- coated urea; rape; nitrate content; inorganic nitrogen
- 分类号:
- S 634.306.+2
- 文献标志码:
- A
- 摘要:
- 采用盆栽试验研究了包膜尿素对油菜产量、品质及养分吸收的影响。结果表明:施氮显著(P<0.05)提高了油菜产量,产量增幅在96.8%~100.5%,常规施氮和施用包膜尿素(全部或部分与尿素掺混)的油菜产量没有差异。与常规施氮相比,全部和部分掺混包膜尿素处理的油菜硝酸盐含量分别降低18.9%和6.3%,维生素C含量分别提高33.3%和2.23%。包膜尿素全部或部分与尿素掺混增加了油菜对氮素的吸收,其中包膜尿素与尿素掺混处理的氮素利用率比常规施氮提高58.9%,施用包膜尿素降低了土壤硝态氮含量,减少了硝态氮残留风险。
- Abstract:
- A pot experiment was conducted to study the influence of rape’s yield,quality and the absorption of nutrient by coated urea.The results showed that nitrogen’s application significantly (P<0.05) improved the yield of rape,and the increasing was between 96.8% and 100.5%.The rape’s yield didn’t differ between the application of the conventional nitrogen and the coated urea (in whole or in part was mixed with urea).Compared with conventional nitrogen,the content of rape’s nitrate decreased by 18.9% and 6.3% when rapes was treated by the mixture of in whole or in part urea,the content of Vitamin C was increased by 33.3% and 2.23%.The coated urea was mixed in whole or in part with urea increased the absorption of rape on nitrogen.Among of it,the utilization rate of nitrogen increased by 58.9% when it was treated by the mixture of coated urea and urea than conventional nitrogen fertilizer,the application of coated urea reduced the content of soil’s nitrate and the risk of nitrate’s leaching.
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备注/Memo
第一作者简介:张鹏飞(1985-),男,硕士,现主要从事控释肥料在蔬菜的上应用及水肥耦合效应研究工作。